//
// DotNetNuke - http://www.dotnetnuke.com
// Copyright (c) 2002-2010
// by Perpetual Motion Interactive Systems Inc. ( http://www.perpetualmotion.ca )
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated 
// documentation files (the "Software"), to deal in the Software without restriction, including without limitation 
// the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and 
// to permit persons to whom the Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all copies or substantial portions 
// of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED 
// TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF 
// CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
// DEALINGS IN THE SOFTWARE.
//

using System;
using System.IO;
using System.Xml.Serialization;
using System.Xml.XPath;
using DotNetNuke.Common.Utilities;
using DotNetNuke.Services.Cache;
namespace DotNetNuke.HttpModules.Config
{
	[Serializable(), XmlRoot("AnalyticsEngineConfig")]
	public class AnalyticsEngineConfiguration
	{
		private AnalyticsEngineCollection _analyticsEngines;
		public AnalyticsEngineCollection AnalyticsEngines {
			get { return _analyticsEngines; }
			set { _analyticsEngines= value; }
		}
		public static AnalyticsEngineConfiguration GetConfig()
		{
			AnalyticsEngineConfiguration Config = new AnalyticsEngineConfiguration();
			Config.AnalyticsEngines = new AnalyticsEngineCollection();
			FileStream fileReader = null;
			string filePath = "";
			try {
				Config = (AnalyticsEngineConfiguration)DataCache.GetCache("AnalyticsEngineConfig");
				if ((Config == null)) {
					filePath = DotNetNuke.Common.Utilities.Config.GetPathToFile(ConfigFileType.SiteAnalytics);
					fileReader = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read);
					XPathDocument doc = new XPathDocument(fileReader);
					Config = new AnalyticsEngineConfiguration();
					Config.AnalyticsEngines = new AnalyticsEngineCollection();
					foreach (XPathNavigator nav in doc.CreateNavigator().Select("AnalyticsEngineConfig/Engines/AnalyticsEngine")) {
						AnalyticsEngine analyticsEngine = new AnalyticsEngine();
						analyticsEngine.EngineType = nav.SelectSingleNode("EngineType").Value;
						analyticsEngine.ElementId = nav.SelectSingleNode("ElementId").Value;
						analyticsEngine.InjectTop = Convert.ToBoolean(nav.SelectSingleNode("InjectTop").Value);
						analyticsEngine.ScriptTemplate = nav.SelectSingleNode("ScriptTemplate").Value;
						Config.AnalyticsEngines.Add(analyticsEngine);
					}
					if (File.Exists(filePath)) {
						DataCache.SetCache("AnalyticsEngineConfig", Config, new DNNCacheDependency(filePath));
					}
				}
			} catch (Exception ex) {
				Services.Log.EventLog.EventLogController objEventLog = new Services.Log.EventLog.EventLogController();
				Services.Log.EventLog.LogInfo objEventLogInfo = new Services.Log.EventLog.LogInfo();
				objEventLogInfo.AddProperty("Analytics.AnalyticsEngineConfiguration", "GetConfig Failed");
				objEventLogInfo.AddProperty("FilePath", filePath);
				objEventLogInfo.AddProperty("ExceptionMessage", ex.Message);
				objEventLogInfo.LogTypeKey = Services.Log.EventLog.EventLogController.EventLogType.HOST_ALERT.ToString();
				objEventLog.AddLog(objEventLogInfo);
			} finally {
				if (fileReader != null) {
					fileReader.Close();
				}
			}
			return Config;
		}
	}
}
